access icon free Compact low-power instant store and restore D flip-flop using a self-complementing spintronic device

To simplify power-gating requirements in ultra-low-power architectures, design strategies for low-power non-volatile flip-flops (F/Fs) are sought, for which the utilisation of spintronic devices offers a promising option. A D F/F that utilises a five-terminal spintronic device for non-volatile state holding in an intrinsically self-complementing fashion is introduced. This self-complementing device can be exploited to reduce overhead interfacing circuitry in order to realise a compact ten transistors with one spintronic device D F/F with instant store and restore functionality, while consuming <9 µW of power.

Inspec keywords: magnetic logic; low-power electronics; MRAM devices; magnetoelectronics; flip-flops; logic design

Other keywords: power-gating requirements; ultra-low-power architectures; compact low-power instant store D flip-flop; low-power nonvolatile flip-flops; self-complementing device; overhead interfacing circuitry reduction; design strategy; restore D flip-flop; transistors; D F/F; self-complementing spintronic device; five-terminal spintronic device

Subjects: Digital circuit design, modelling and testing; Logic design methods; Logic circuits; Magneto-acoustic, magnetoresistive, magnetostrictive and magnetostatic wave devices; Storage on stationary magnetic media; Logic and switching circuits

http://iet.metastore.ingenta.com/content/journals/10.1049/el.2015.4114
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